Which of the following is the antidote for benzodiazepine toxicity?

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Question 1 of 5

Which of the following is the antidote for benzodiazepine toxicity?

Correct Answer: A

Rationale: The correct answer is A: Flumazenil. Flumazenil is a specific benzodiazepine receptor antagonist that can reverse the effects of benzodiazepine toxicity by competitively inhibiting the binding of benzodiazepines to their receptors. It works by reversing the sedative and respiratory depressant effects of benzodiazepines. Methylene blue (B) is used to treat methemoglobinemia, not benzodiazepine toxicity. Deferoxamine (C) is used for iron toxicity. Alkalinizing urine (D) is used to enhance the excretion of weak acids in the urine, not for benzodiazepine toxicity.

Question 2 of 5

Which of the following is the primary site of activity for the drug Warfarin?

Correct Answer: B

Rationale: The correct answer is B: Liver. Warfarin is primarily metabolized in the liver by the cytochrome P450 enzyme system. The liver is responsible for breaking down and activating many drugs, including Warfarin. It is where the drug's metabolism and effects are most significant. The other choices are incorrect because Warfarin's main site of activity is in the liver, not the kidney, blood, or heart. The kidney mainly excretes the drug, while the blood carries it throughout the body, and the heart is not directly involved in Warfarin's metabolism.

Question 3 of 5

In which of the following cases is Lansoprazole not used?

Correct Answer: D

Rationale: Rationale: Lansoprazole is a proton pump inhibitor used to treat conditions related to excess stomach acid. Thalamus hypertrophy is not a condition affecting stomach acid production, making it unrelated to Lansoprazole use. A: Gastritis, B: Peptic Ulcers, and C: Zollinger-Ellison syndrome all involve excessive stomach acid secretion, hence Lansoprazole is used in these cases. Thalamus hypertrophy does not involve stomach acid issues, making it the correct answer.

Question 4 of 5

Which of the following drugs is associated with the reaction of Cinchonism?

Correct Answer: B

Rationale: The correct answer is B: Quinidine. Cinchonism is a condition caused by the toxicity of Cinchona alkaloids, which are found in drugs like quinine and quinidine. Quinidine is specifically known to cause symptoms of cinchonism such as tinnitus, headache, blurred vision, and nausea. Valproic acid (choice A) is an anticonvulsant, not associated with cinchonism. Isoniazid (choice C) is an antibiotic used to treat tuberculosis and does not cause cinchonism. Ethosuximide (choice D) is an anticonvulsant used to treat absence seizures and is not linked to cinchonism.

Question 5 of 5

Which of the following drugs is associated with hepatitis as a reaction?

Correct Answer: C

Rationale: Correct Answer: C (Isoniazid) Rationale: 1. Isoniazid is known to cause drug-induced hepatitis due to its hepatotoxic effects. 2. It can lead to liver inflammation, causing hepatitis as a reaction. 3. Regular monitoring of liver function tests is essential when using isoniazid. Summary of other choices: A. Valproic acid: Can cause hepatotoxicity but not specifically linked to hepatitis. B. Quinidine: Mainly known for cardiac side effects, not commonly associated with hepatitis. D. Ethosuximide: Primarily used for treating absence seizures, not typically associated with hepatitis.

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